Surface demineralized freeze-dried bone allograft followed by reimplantation in a failed mandibular dental implant.

ABSTRACT: The removal of a failed implant with high torque causes significant damage to the surrounding tissue, compromising bone regeneration and subsequent osseointegration in the defect area. Here, we report a case of carrier screw fracture followed by immediate implant removal, bone grafting and delayed reimplantation. A dental implant with a fractured central carrier screw was removed using the bur-forceps technique. The resulting three-wall bone defect was filled with granular surface demineralized freeze-dried bone allograft (SD-FDBA). Cone-beam computerized tomography was performed at 1 week, 6 months and 15 months postoperatively and standardized for quantitative evaluation. The alveolar bone width and height at 15 months post-surgery were about 91% of the original values, with a slightly l

SUBMITTER: Zhang J 

PROVIDER: S-EPMC10761198 | biostudies-literature | 2024

REPOSITORIES: biostudies-literature